<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body >
	<div id="app">
	<h1>Hello App!</h1>
	<p>
	<!-- 使用 router-link 组件来导航. -->
	<!-- 通过传入 `to` 属性指定链接. -->
	<!-- <router-link> 默认会被渲染成一个 `<a>` 标签 -->
		<router-link to="/user/2/post/zhangsan">Go to Foo</router-link>
	</p>
	<!-- 路由出口 -->
	<!-- 路由匹配到的组件将渲染在这里 -->
	<router-view></router-view>
</div>
	
		
</body>
<script src="https://cdn.bootcdn.net/ajax/libs/vue/2.6.9/vue.js"></script>
<script src="https://cdn.bootcdn.net/ajax/libs/vue-router/3.4.8/vue-router.js"></script>
<script>
	const User = {
		template:'<div><h2>User {{ $route.params.id }}</h2><router-view></router-view></div>',
		watch:{
			$route(to, from){
				console.log(to);
				console.log(from);
			}
		},
	};
	const routes = [
		{
			path: '/user/:id/post/:post', component:User,
			children:[
				{
					path: 'profile',
					component: UserProfile,
				},
				{
					path: 'posts',
					component: UserPosts,
				}
			],
		},
	];
	
	const router = new VueRouter({
		routes
	});
	const app = new Vue({
		router
	}).$mount('#app');
</script>
</html>



















































